Part of the Frick Collection Archives Repository
Marx, Helene, 1938-1958, Box: 74, Folder: 25. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives.
Marx, Helene, 1938-1958, Box: 74, Folder: 25. Rosenberg & Stiebel Archive, MS.065. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/25842 Accessed April 30, 2025.
